Author Question: A large coal-fired electric generating plant burns about 1000 kg one tonne of coal every 10 seconds. ... (Read 51 times)

codyclark · **on:** Jul 29, 2018

A large coal-fired electric generating plant burns about 1000 kg one tonne of coal every 10 seconds. About much of the tonne actually goes into producing electric energy?

A) 990 kg B) 400 kg C) 800 kg D) 100 kg E) 40 kg

Question 2

A series LRC circuit has a sinusoidal voltage supplied to it at 197 kHz with a peak voltage of 270 V, a 41-k resistance, a 14-F capacitor, and a 63-H inductance. What is the peak current for this circuit?

A) 3.5 A
B) 2.3 A
C) 4.2 A
D) 6.6 A